I use this worksheet in my 6th grade health class so the quest. Being able to locate structures in the sheep brain will help you to. A pair of olfactory bulbs may be seen, one under each lobe of the frontal cortex. Materials safety goggles preserved cows eye forceps dissection probes dissection scissors dissection tray vinyl or latex gloves apron or teeshirt paper towels plastic trash bag. Use a scalpel or sharp, thin knife to slice through the brain along the center line, starting at the cerebrum and going down through the cerebellum, spinal cord, medulla, and pons. Memory 1998 the exploratorium 1998 the exploratorium. Instead of using a rodent brain too small or a human brain no volunteer donors, we will study neuroanatomy by examining the brain of the sheep. Describe the location of any meninges observed to be associated with the sheep brain. Dissection tools and tray, lab gloves, preserved sheep brain.
Sheep brain dissection michigan state university neuroscience program brain bee enrichment workshop october 6, 2012 material and information from this handout was adapted from the following sources. Nau bio 202 lab 3 sheep heart dissection this is a guide to help students at northern arizona university to dissect a sheep heart and know basic anatomy and physiology. Pick up dissection tray, dull probe, pins and labels obtain a sheep brain and share this with a partner or 2 rinse the sheep brain to remove. Unfortunately, both textbook and web resources tend to focus on teaching structure and rarely address either circuits or function. Sheep brains, like other sheep organs, are much smaller than human brains, but have similar feature. Sheep brain dissection 1 before starting this lab, open the brain parts and functions document. She exercises everyday and eats a healthy diet but still seems to gain weight. This area of the brain controls the vital functions like heartbeat and respiration.
A thin sheet the runs from the corpus callosum to the fornix and. There you will find images and text about their dissection of cougar, badger. Those students participating in sheep brain dissections will have the. The sheep brain dissection guide supported by nsf grant use9250437. Lay your sheep brain with the right side up then compare it with the photograph of the right side of a sheeps brain in the sheep brain dissection picture guide. Learn the external and internal anatomy of sheep brains with hsts learning center. Permit for students to open and explore the parts of the sheep brain and to record observations in column 2 only. The overall organization of the central nervous system lay your sheep brain with the right side up then compare it with the photograph of the right side of a sheep s. Checkboxes are used to keep track of progress and each structure that can be found is described with its location in relation to other structures. To begin get gloves and a rubber apron or lab coat. Brain anatomy, including cerebral hemispheres, cerebellum and brain stem. The anatomy of memory and answer the questions below as you read through all the slides.
A sheep brain dissection is perfect for anatomy and brain structure studies. Narrated dissection of a sheep brain, outlining the following structures. The basic neuroanatomy of the mammalian brain is similar for all species. Dec 08, 2015 anatomy of the sheep brain video for anatomy class practice for the practical exam duration. For junior high school students who might be dissecting a sheep s brain. Here you will find all we have for sheep brain dissection worksheet. Sheep or pig brain dissections are conducted to explore the structure and function of the different.
This will allow you to separate the brain into the left and right hemispheres. Dissection of the sheep brain the basic neuroanatomy of the mammalian brain is similar for all species. Make sure that the pieces do not wash down the sinkput them in the garbage bag that is to be used for collecting brain waste. Explain how the sheep skull is different from a human skull. For the sheep brain dissection, please view this video.
L2 studentpacket sheepbrainexploration project neuron. Are there similar numbers of gyri and sulci in your sheep brain as. Refer to images, descriptions, and functions of parts of the brain as you proceed through this lab. Slice through the brain along the center line, starting at the.
Alternatives to dissection websites humane society of. They can be a valuable addition to your study of anatomy. Find sheep brain dissect lesson plans and teaching resources. To supplement this lesson, visit s adventure ahead page. An image of the brain is included to help students find the structures. Oct 20, 2017 narrated dissection of a sheep brain, outlining the following structures. One eye of choice for dissection, that closely resembles the human eye, is that of the sheep. Sheep brain dissection worksheet the overall organization of the central nervous system lay your sheep brain with the right side up then compare it with the photograph of the right side of a sheeps brain in the sheep brain dissection picture guide. Oct 15, 2006 using sheep brains is an effective way to present the material in a very concrete way. Why do you think early anatomists called this structure by this name. Using sheep brains is an effective way to present the material in a very concrete way. Dissection guide with instructions for dissecting a sheep brain. Use a scalpel to dissect a sheeps brain, and see for yourself what the cerebrum, cerebellum, spinal cord, corpus callosum, pituitary gland, pineal gland, sulci, gyri, olfactory bulbs, brain stem, temporal lobe. Lay one side of the brain on your tray to locate the structures visible on the inside.
This worksheet goes through the different parts of the brain and then compares how the sheep brain is different to the human brain. The internet offers a storehouse of free resources for teaching mammalian neuroanatomy based on sheep brain dissection. Fastcounter by bcentral visitors since september 6, 1998. There are three layers of meninges the dura mater, the arachoid mater, and the pia mater.
The pia mater is the thin, vascular layer that adheres to the surface of the brain. There is the frontal or coronal planes which divides front from back. While we are using the sheep brain for dissection, this guide will highlight the similarities. Often these two nerves are removed with the dura mater, but in this image they are still intact. Sheep brain dissection guide planes of orientation in addition to the direction, the brain as a three dimensional object can be divided into three planes. The purpose of the sheep brain dissection is to familiarize you with the three dimensional structure of the brain and teach you one of the great methods of. Sheeps brain microscope, slides and prepared slide of nerve tissue. Carolina s perfect solution sheep brain dissection introduces students to the anatomy of a mammalian brain, both external and internal, and encourages students to construct an explanation of the central nervous system. On this image, the dura matter has been completely removed, you can still see the optic chiasma but the pituitary gland is missing. This worksheet is used in conjunction with exploratoriums online sheep brain dissection. Sheep brain dissection human anatomy and physiology lab bsb. Sheep brain dissection grade level 512 lesson length 12 class periods lesson summary. Brain anatomy as seen through the sheep brain dissection.
I got a chance to dissect a sheep brain and get up close and personal with the structure of its unique design. The infundibulum pituitary stalk is now visible in the center. During this lab i cut open a sheep brain and labeled all the divided structures that allow a sheep to survive and sustain life when everything worked as one. Here is the sheep brain dissection worksheet section. Learn how to do a sheep or other mammalian brain dissection with this complete guide. Images taken from the dissection of the sheeps brain, some structures have been labeled. Apr 9, 2016 learn the external and internal anatomy of sheep brains with hsts learning center science lesson and guide. Sheep brain dissection worksheet worksheet fun and printable.
Sheep heart dissection this is a guide to help students at northern arizona university to dissect a sheep heart and know basic anatomy and physiology. Clam dissection virtual mouse necropsy cockroach dissection the virtual pig dissection cows eye dissection rat dissection guide i and ii. It can divide the brain and any location as long as it divides the brain from front to back. Also, the sheep brain is oriented anterior to posterior more horizontally, while the human brain is oriented superior to interior more vertically. Resources for teaching mammalian neuroanatomy using sheep. The medulla helps the nerves cross over so the left hemisphere controls the right side of the body and vice versa. Take a minute and sketch this view of your sheep brain in the space below. Careful dissection also reveals two other large nerves. Nervous system and sheep brain dissection teaching resources. Sheep brains, although much smaller than human brains, have similar features and can be a valuable addition to anatomy studies.
Distance learning program anatomy of the human brainsheep. Fullcolor photographs accurately depict the brain surface, ventral view, and sagittal section longitudinal section of the brain and show where arnd how to make incisions. In this investigation, you identify the structures of a cow eye and learn their functions. The next several steps will view this surface of the brain. The dura mater was the thick, opaque layer that had to be pulled back before dissecting. Including the exploratorium web address, the worksheet also includes questions for students to work through as they complete the online dissection. Sheep brain dissection worksheet identify and label as many as possible. Internal anatomy place the brain with the curved top side of the cerebrum facing up. Use a knife or a scalpel to cut the specimen along the longitudinal fissure.
Sheep brain dissection project guide hst learning center. Anatomy corner resource site for teachers and students of anatomy and physiology. Sheep brain dissection human anatomy and physiology lab. With each type of brain there will be differences in size, structure, and brain regions, but the general structures and their area of location are relatively the same or very similar. See for yourself what the cerebrum, cerebellum, spinal cord, gray and white matter, and other parts of the brain look like with this sheep brain dissection guide. The sheep brain is quite similar to the human brain except for proportion.
Use a scalpel to dissect a sheep s brain, and see for yourself what the cerebrum, cerebellum, spinal cord, corpus callosum, pituitary gland, pineal gland, sulci, gyri, olfactory bulbs, brain stem, temporal lobe, frontal lobe, parietal lobe, occipital lobe. Youll need a preserved sheep brain for the dissection. Students make observations, learning about the structure and function of brain regions, white and gray matter. Several important parts of the visual system are visible in the ventral view of the brain. Sheep neuroanatomy lab labeling worksheet figure 1.
Dissecting a sheep brain, students gain appreciation for the complexity of the brain. Sheep eye dissection procedures the anatomy of the human eye can be better shown and understood by the actual dissection of an eye. Be prepared to answer the following questions concerning the sheep brain dissection. Find quizzes, diagrams, and slide presentations on structures, functions, and systems. Gyri sulci longitudinal fissure central sulcus leftright hemispheres frontal lobe temporal lobe occipital. The sheep brain is exposed and each of the structures are labeled and described in a sequential manner, in the same way that a real dissection would occur. Notice that the brain has two halves, or hemispheres. What is the literal english translation of the latin dura mater. For junior high school students who might be dissecting a sheeps brain. Set the brain down so the flatter side, with the white spinal cord at one end, rests on the dissection pan. Dissections the regions and lobes of the brain are identified along with some of the nerves. Identify the four functions of the cerebrospinal fluid.